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clean up outdated references in README.md

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fixes #461
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alexlamsl 2017-04-15 19:58:28 +08:00
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README.md
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@ -4,12 +4,6 @@ UglifyJS 2
UglifyJS is a JavaScript parser, minifier, compressor or beautifier toolkit.
This page documents the command line utility. For
[API and internals documentation see my website](http://lisperator.net/uglifyjs/).
There's also an
[in-browser online demo](http://lisperator.net/uglifyjs/#demo) (for Firefox,
Chrome and probably Safari).
#### Note:
- release versions of `uglify-js` only support ECMAScript 5 (ES5). If you wish to minify
ES2015+ (ES6+) code then please use the [harmony](#harmony) development branch.
@ -469,8 +463,6 @@ code as usual. The build will contain the `const` declarations if you use
them. If you are targeting < ES6 environments which does not support `const`,
using `var` with `reduce_vars` (enabled by default) should suffice.
<a name="codegen-options"></a>
#### Conditional compilation, API
You can also use conditional compilation via the programmatic API. With the difference that the
property name is `global_defs` and is a compressor property:
@ -707,14 +699,14 @@ Other options:
mangle property options.
- `output` (default `null`) — pass an object if you wish to specify
additional [output options][codegen]. The defaults are optimized
additional [output options](#beautifier-options). The defaults are optimized
for best compression.
- `compress` (default `{}`) — pass `false` to skip compressing entirely.
Pass an object to specify custom [compressor options][compressor].
Pass an object to specify custom [compressor options](#compressor-options).
- `parse` (default {}) — pass an object if you wish to specify some
additional [parser options][parser]. (not all options available... see below)
additional [parser options](#the-parser).
##### mangle
@ -750,11 +742,12 @@ Other options:
// 'function n(n,a){}var a;'
```
##### mangleProperties options
##### mangle.properties options
- `regex` — Pass a RegExp to only mangle certain names (maps to the `--mangle-regex` CLI arguments option)
- `ignore_quoted` – Only mangle unquoted property names (maps to the `--mangle-props 2` CLI arguments option)
- `debug` – Mangle names with the original name still present (maps to the `--mangle-props-debug` CLI arguments option). Defaults to `false`. Pass an empty string to enable, or a non-empty string to set the suffix.
- `regex` — Pass a RegExp to only mangle certain names
- `ignore_quoted` – Only mangle unquoted property names
- `debug` – Mangle names with the original name still present. Defaults to `false`.
Pass an empty string to enable, or a non-empty string to set the suffix.
We could add more options to `UglifyJS.minify` — if you need additional
functionality please suggest!
@ -916,10 +909,7 @@ The `source_map_options` (optional) can contain the following properties:
[acorn]: https://github.com/ternjs/acorn
[source-map]: https://github.com/mozilla/source-map
[sm-spec]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit
[codegen]: http://lisperator.net/uglifyjs/codegen
[compressor]: http://lisperator.net/uglifyjs/compress
[parser]: http://lisperator.net/uglifyjs/parser
[sm-spec]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k
#### Harmony